Question

WITHOUT ACTUALLY SQUARING find the value of 25power2 -34power2

Answer 1

Answer:

Step-by-step explanation:

Using the formula, a2−b2=(a+b)(a−b)

We get,

362−352=(36+35)(36−35)

=71×1

=71.

Answer 2

Answer:

-531

Step-by-step explanation:

25²-34²

= (25+34) (25-34) [a²-b² = (a+b) (a-b)]

= 59× (-9)

= -531